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NI 9219E Operating Instructions and Specifications

12

ni.com

Voltage and Current Modes

In Voltage mode, the ADC measures voltage across the HI and LO
terminals. In Current mode, the NI 9219E computes current from
the voltage that the ADC measures across an internal shunt resistor.

Figure 7.

Connections in Voltage, Current, and Digital In Modes

Current Mode

HI

LO

ADC

I

R

SH

NI 9219E

Voltage/Digital In Modes

HI

LO

ADC

V

+

–

NI 9219E

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Содержание sbRIO-9219

Страница 1: ...rutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing Rentals Demos In sto...

Страница 2: ...OPERATING INSTRUCTIONS AND SPECIFICATIONS NI 9219E 4 Channel 24 Bit Universal Analog Input Module Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 3: ...and programming the system refer to the system documentation Visit ni com info and enter cseriesdoc for information about C Series documentation Caution National Instruments makes no electromagnetic c...

Страница 4: ...NI 9219E Dimensions The following figure shows the dimensions of the NI 9219E Figure 1 NI 9219E Dimensions in Millimeters Inches 73 4 2 89 0 0 0 00 0 0 0 00 26 7 1 05 58 4 2 30 66 0 2 60 Artisan Tech...

Страница 5: ...6 terminal spring terminal connectors that provide connections for four analog input channels Figure 2 NI 9219E Channel and Terminal Assignments 4 5 6 4 5 6 4 5 6 4 5 6 1 2 3 1 2 3 1 2 3 1 2 3 Ch 0 C...

Страница 6: ...TEDS Data 2 T TEDS COM 3 EX HI Positive excitation or input signal 4 HI Positive input signal 5 EX LO Negative excitation or input signal 6 LO Negative input signal Depending on the mode terminals 3...

Страница 7: ...T HI LO 4 Wire Resistance T T EX HI EX LO 2 Wire Resistance T T HI LO Thermocouple T T HI LO 4 Wire RTD T T EX HI EX LO 3 Wire RTD T T EX EX LO Quarter Bridge T T HI LO Half Bridge T T EX HI EX Full...

Страница 8: ...in each mode Connecting Wires to the Spring Terminal Connectors Use a flathead screwdriver with a blade smaller than 2 3 1 0 mm 0 09 0 04 in to connect wires to the detachable spring terminal connect...

Страница 9: ...only Class II TEDS sensors Connect the two TEDS lines to TEDS Data T and TEDS COM T and ensure that neither T nor T is tied in common to any of the signal inputs terminals 3 through 6 on the NI 9219E...

Страница 10: ...sure the voltages on the positive and negative connections are within the channel to earth working voltage range to ensure proper operation of the NI 9219E Refer to the Specifications section for more...

Страница 11: ...e Figure 4 Connecting a Grounded Signal Source to the NI 9219E Figure 5 Connecting a Floating Signal Source to the NI 9219E Twisted Pair Wiring VSIG VSIG Ground Reference Signal Source Shielding HI LO...

Страница 12: ...ll four analog input channels The NI 9219E enables an excitation circuit for all input modes that require excitation and reconfigures the ADC and excitation circuits in each mode to accommodate each t...

Страница 13: ...s In Current mode the NI 9219E computes current from the voltage that the ADC measures across an internal shunt resistor Figure 7 Connections in Voltage Current and Digital In Modes Current Mode HI LO...

Страница 14: ...inals The NI 9219E computes measured resistance from the resulting voltage reading Lead wire resistance does not affect these modes because a negligible amount of current flows across the HI and LO te...

Страница 15: ...sistance in hardware if all the lead wires have the same resistance The NI 9219E applies a gain of 2x to the voltage across the negative lead wire and the ADC uses this voltage as the negative referen...

Страница 16: ...on the resistance of the load between the HI and LO terminals The NI 9219E computes measured resistance from the resulting voltage reading 2 Wire Resistance and Quarter Bridge modes do not compensate...

Страница 17: ...ge readings that are proportional to the excitation level The internal excitation voltage varies based on the resistance of the sensor Refer to the Specifications section for more information about ex...

Страница 18: ...ns For improved CJC sensor accuracy operate the NI 9219E in a stable temperature environment and avoid placing heat sources near the module or its connectors Visit ni com info and enter cjcdatascaling...

Страница 19: ...systems Refer to Figure 7 for an illustration of the connections Open Contact Mode In Open Contact mode the NI 9219E sources a current between the HI and LO terminals and determines if the two termina...

Страница 20: ...overall noise rejection and provides rejection of 50 Hz and 60 Hz noise Refer to the Specifications section for more information Excitation Protection The NI 9219E protects the excitation circuit from...

Страница 21: ...rmation about C Series documentation Typically when a system is in sleep mode you cannot communicate with the modules In sleep mode the system consumes minimal power and may dissipate less heat than i...

Страница 22: ...ominal Range s Actual Range s Voltage 60 V 15 V 4 V 1 V 125 mV 60 V 15 V 4 V 1 V 125 mV Current 25 mA 25 mA 4 Wire and 2 Wire Resistance 10 k 1 k 10 5 k 1 05 k Thermocouple 125 mV 125 mV 4 Wire and 3...

Страница 23: ...rsion time one or more channels in TC mode High speed 20 ms for all channels Best 60 Hz rejection 120 ms for all channels Best 50 Hz rejection 140 ms for all channels High resolution 510 ms for all ch...

Страница 24: ...Offset Error ppm of Range Typ 25 C 5 C Max 40 to 85 C Voltage 60 V 0 3 0 4 20 50 Voltage 15 V 0 3 0 4 60 180 Voltage 4 V 0 3 0 4 240 720 Voltage 1 V 0 1 0 18 15 45 Voltage Thermocouple 125 mV 0 1 0 18...

Страница 25: ...Bridge 120 0 1 0 5 2400 6400 Half Bridge 500 mV V 0 03 0 07 300 450 Full Bridge 62 5 mV V 0 03 0 08 300 1000 Full Bridge 7 8 mV V 0 03 0 08 2200 8000 2 Wire Resistance mode accuracy depends on the lea...

Страница 26: ...4 V 20 3 2 Voltage 1 V 10 0 2 Voltage Thermocouple 125 mV 10 1 6 Current 25 mA 15 0 4 4 Wire and 2 Wire Resistance 10 k 15 3 4 Wire and 2 Wire Resistance 1 k 15 30 4 Wire and 3 Wire RTD Pt 1000 15 6...

Страница 27: ...ion High reso lution Voltage 60 V 7 6 1 3 1 3 0 5 Voltage 15 V 10 8 1 9 1 9 0 7 Voltage 4 V 10 8 2 7 2 7 1 3 Voltage 1 V 7 6 1 3 1 3 0 5 Voltage Thermocouple 125 mV 10 8 1 9 1 9 1 0 Current 25 mA 10 8...

Страница 28: ...1 1 0 4 4 Wire and 3 Wire RTD Pt 100 10 8 1 9 1 9 0 9 Quarter Bridge 350 5 4 1 0 1 0 0 7 Quarter Bridge 120 5 4 1 0 1 0 0 7 Half Bridge 500 mV V 3 8 0 5 0 5 0 2 Full Bridge 62 5 mV V 5 4 1 0 1 0 0 8...

Страница 29: ...nd 60 Hz Excitation level for Half Bridge and Full Bridge modes Excitation level for Resistance RTD and Quarter Bridge modes Mode Load Resistance Excitation V Half Bridge 700 2 5 240 2 0 Full Bridge 3...

Страница 30: ...od Note Contact NI for Bellcore MTBF specifications at other temperatures or for MIL HDBK 217F specifications Power Requirements Power consumption from chassis Active mode 750 mW max Sleep mode 25 W m...

Страница 31: ...round components Note For two dimensional drawings and three dimensional models of the C Series module and connectors visit ni com dimensions and search by module number Spring terminal wiring 18 to 2...

Страница 32: ...channel Continuous 250 VAC Measurement Category II Basic insulation Withstand 1 390 VAC verified by a 5 s dielectric withstand test Channel to earth ground Continuous 250 VAC Measurement Category II...

Страница 33: ...rgy parts of equipment circuits powered by regulated low voltage sources and electronics Caution Do not connect to signals or use for measurements within Measurement Categories II III or IV Measuremen...

Страница 34: ...fer to the product Declaration of Conformity DoC for additional regulatory compliance information To obtain product certifications and the DoC for this product visit ni com certification search by mod...

Страница 35: ...vironmental Management National Instruments is committed to designing and manufacturing products in an environmentally responsible manner NI recognizes that eliminating certain hazardous substances fr...

Страница 36: ...about WEEE recycling centers and National Instruments WEEE initiatives visit ni com environment weee htm Calibration You can obtain the calibration certificate and information about calibration servi...

Страница 37: ...d the world to help address your support needs For telephone support in the United States create your service request at ni com support and follow the calling instructions or dial 512 795 8248 For tel...

Страница 38: ...your software the patents txt file on your media or the National Instruments Patent Notice at ni com patents Korea 82 02 3451 3400 Lebanon 961 0 1 33 28 28 Malaysia 1800 887710 Mexico 01 800 010 0793...

Страница 39: ...uipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentat...

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